Internet says: HSN (Harmonized System of Nomenclature) is used for maintaining the stability in the assortment of goods and is also internationally accepted by PCS (Product Coding System). It is developed by the WCO (World Customs Organization).

The Harmonized Product Description referred to as “Harmonized System of Nomenclature” or just “HSN”. It is a multipurpose international product nomenclature or terminology established by the World Customs Organization. The purpose of using the HSN codes is to ensure that GST invoicing practices are in tune with international standards of product nomenclature.
You all must be willing to know what is HSN code finder in respect of GST . So I would like to tell you that every business with the introduction of GST in India is required to declare a list of goods they are dealing into. This declaration is required along with the HSN code of such commodity. The system will automatically pick tax rate under GST rule based on these HSN codes. Therefore it is of utmost importance for a business man to mention the correct HSN codes at the time of registration under GST.

HSN an Overview. The Harmonized Commodity Description and Coding System generally referred to as “Harmonized System of Nomenclature” or simply “HSN” is a multipurpose international product nomenclature developed by the World Customs Organization (WCO).